Cuisine of VietnamCơm hến Lucas Jans from USA / CC BY-SA 3.0 / Wikipedia EnglishFacts About Cơm hếnCơm hếnCơm hến is a Vietnamese rice dish originating in Huế. It is made with baby mussels or basket clams and leftover rice and is normally served at room temperature. A variant is “Cơm hến sông Hương.”Based on: Wikipedia